Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 40
47G.— I Utto, Muirheads 475. Patent, with four dial a from £28 to 31 10 0 … U (4 \ C 476. All Standard Resistances, unless otherwise ordered, will be adjusted to the B.A, ohm.
Electrical Equipment · Lightning protection for structures · Lightning protection for buildings · Batteries · Lighting · Maintenance testing of electrical systems · Wiring devices
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